57251020 has 12 divisors (see below), whose sum is σ = 120227184. Its totient is φ = 22900400.

The previous prime is 57251011. The next prime is 57251021. The reversal of 57251020 is 2015275.

57251020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57250982 and 57251000.

It is not an unprimeable number, because it can be changed into a prime (57251021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431256 + ... + 1431295.

It is an arithmetic number, because the mean of its divisors is an integer number (10018932).

Almost surely, 2^57251020 is an apocalyptic number.

It is an amenable number.

57251020 is an abundant number, since it is smaller than the sum of its proper divisors (62976164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57251020 is a wasteful number, since it uses less digits than its factorization.

57251020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862560 (or 2862558 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 57251020 is about 7566.4403784078. The cubic root of 57251020 is about 385.4142278037.

Adding to 57251020 its reverse (2015275), we get a palindrome (59266295).

The spelling of 57251020 in words is "fifty-seven million, two hundred fifty-one thousand, twenty".